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adding chart for prometheus-couchdb-exporters (#7494)
* adding chart for prometheus-couchdb-exporters Signed-off-by: gkarthiks <github.gkarthiks@gmail.com> * Upgrading the deployment api version from vibeta2 to v1 Signed-off-by: gkarthiks <github.gkarthiks@gmail.com> * adding rbac Signed-off-by: gkarthiks <github.gkarthiks@gmail.com>
This commit is contained in:
Karthikeyan Govindaraj
committed by
k8s-ci-robot
k8s-ci-robot
parent
df459adbfc
commit
b517f4a627
@@ -0,0 +1,21 @@
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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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@@ -0,0 +1,14 @@
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apiVersion: v1
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appVersion: "1.0"
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description: A Helm chart to export the metrics from couchdb in Prometheus format.
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name: prometheus-couchdb-exporter
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home: https://github.com/gesellix/couchdb-prometheus-exporter
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version: 0.1.0
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keywords:
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- couchdb-exporter
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sources:
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- https://github.com/gesellix/couchdb-prometheus-exporter
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maintainers:
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- name: gkarthiks
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email: github.gkarthiks@gmail.com
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engine: gotpl
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@@ -0,0 +1,78 @@
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# prometheus-couchdb-exporter
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[couchdb-prometheus-exporter](https://github.com/gesellix/couchdb-prometheus-exporter) is a Prometheus exporter for CouchDB metrics.
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## TL;DR;
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```bash
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$ helm install stable/prometheus-couchdb-exporter
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```
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## Introduction
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This chart bootstraps a [couchdb-exporter](https://github.com/gesellix/couchdb-prometheus-exporter) deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.
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## Prerequisites
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- Kubernetes 1.8+ with Beta APIs enabled
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## Installing the Chart
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To install the chart with the release name `my-release`:
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```bash
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$ helm install --name my-release stable/prometheus-couchdb-exporter
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```
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The command deploys prometheus-couchdb-exporter on the Kubernetes cluster in the default configuration.
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## Uninstalling the Chart
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To uninstall/delete the `my-release` deployment:
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```bash
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$ helm delete my-release
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```
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The command removes all the Kubernetes components associated with the chart and deletes the release.
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## Configuration
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The following table lists the configurable parameters and their default values.
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| Parameter | Description | Default |
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| ---------------------- | --------------------------------------------------- | --------------------------------------- |
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| `replicaCount` | desired number of prometheus-couchdb-exporter pods | `1` |
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| `image.repository` | prometheus-couchdb-exporter image repository | `gesellix/couchdb-prometheus-exporter` |
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| `image.tag` | prometheus-couchdb-exporter image tag | `16` |
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| `image.pullPolicy` | image pull policy | `IfNotPresent` |
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| `service.type` | desired service type | `ClusterIP` |
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| `service.port` | service external port | `9984` |
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| `ingress.enabled` | enable ingress controller resource | `false` |
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| `ingress.annotations` | annotations for the host's ingress records | `false` |
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| `ingress.path` | path for the ingress route | `/` |
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| `ingress.hosts` | list of host address for ingress creation | |
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| `ingress.tls` | utilize TLS backend in ingress | |
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| `resources` | cpu/memory resource requests/limits | {} |
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| `nodeSelector` | node labels for pod assignment | {} |
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| `tolerations` | tolerations for pod assignment | {} |
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| `affinity` | affinity settings for proxy pod assignments | {} |
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| `couchdb.uri` | address of the couchdb | `http://couchdb.default.svc:5984` |
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| `couchdb.databases` | comma separated databases to monitor | `_all_dbs` |
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For more information please refer to the [couchdb-prometheus-exporter]https://github.com/gesellix/couchdb-prometheus-exporter) documentation.
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Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
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```bash
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$ helm install --name my-release \
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--set "couchdb.uri=http://mycouchdb:5984" \
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stable/prometheus-couchdb-exporter
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```
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Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,
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```bash
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$ helm install --name my-release -f values.yaml stable/prometheus-couchdb-exporter
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```
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@@ -0,0 +1,19 @@
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1. Get the application URL by running these commands:
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{{- if .Values.ingress.enabled }}
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{{- range .Values.ingress.hosts }}
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http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}{{ $.Values.ingress.path }}
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{{- end }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "prometheus-couchdb-exporter.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch the status of by running 'kubectl get svc -w {{ template "prometheus-couchdb-exporter.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "prometheus-couchdb-exporter.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
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echo http://$SERVICE_IP:{{ .Values.service.port }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "prometheus-couchdb-exporter.name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl port-forward $POD_NAME 8080:80
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{{- end }}
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@@ -0,0 +1,43 @@
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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "prometheus-couchdb-exporter.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "prometheus-couchdb-exporter.fullname" -}}
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{{- if .Values.fullnameOverride -}}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- if contains $name .Release.Name -}}
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{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "prometheus-couchdb-exporter.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "prometheus-couchdb-exporter.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create -}}
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{{ default (include "prometheus-couchdb-exporter.fullname" .) .Values.serviceAccount.name }}
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{{- else -}}
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{{ default "default" .Values.serviceAccount.name }}
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{{- end -}}
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{{- end -}}
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@@ -0,0 +1,58 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ template "prometheus-couchdb-exporter.fullname" . }}
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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spec:
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replicas: {{ .Values.replicaCount }}
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selector:
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matchLabels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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release: {{ .Release.Name }}
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template:
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metadata:
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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release: {{ .Release.Name }}
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spec:
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serviceAccountName: {{ template "prometheus-couchdb-exporter.serviceAccountName" . }}
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containers:
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- name: {{ .Chart.Name }}
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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command: ["/couchdb-prometheus-exporter",
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"-telemetry.address=0.0.0.0:9984",
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"-logtostderr",
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"-couchdb.uri={{ .Values.couchdb.uri }}",
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"-databases={{ .Values.couchdb.databases }}"]
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ports:
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- name: http
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containerPort: 9984
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livenessProbe:
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httpGet:
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path: /
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port: http
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initialDelaySeconds: 60
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readinessProbe:
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httpGet:
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path: /
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port: http
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initialDelaySeconds: 60
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resources:
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{{ toYaml .Values.resources | indent 12 }}
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{{- with .Values.nodeSelector }}
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nodeSelector:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{ toYaml . | indent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{ toYaml . | indent 8 }}
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{{- end }}
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@@ -0,0 +1,38 @@
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{{- if .Values.ingress.enabled -}}
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{{- $fullName := include "prometheus-couchdb-exporter.fullname" . -}}
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{{- $ingressPath := .Values.ingress.path -}}
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apiVersion: extensions/v1beta1
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kind: Ingress
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metadata:
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name: {{ $fullName }}
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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{{- with .Values.ingress.annotations }}
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annotations:
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{{ toYaml . | indent 4 }}
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{{- end }}
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spec:
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{{- if .Values.ingress.tls }}
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tls:
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{{- range .Values.ingress.tls }}
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- hosts:
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{{- range .hosts }}
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- {{ . }}
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{{- end }}
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secretName: {{ .secretName }}
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{{- end }}
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{{- end }}
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rules:
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{{- range .Values.ingress.hosts }}
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- host: {{ . }}
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http:
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paths:
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- path: {{ $ingressPath }}
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backend:
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serviceName: {{ $fullName }}
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servicePort: http
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{{- end }}
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{{- end }}
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@@ -0,0 +1,39 @@
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{{- if .Values.rbac.pspEnabled }}
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apiVersion: extensions/v1beta1
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kind: PodSecurityPolicy
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metadata:
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name: {{ template "prometheus-couchdb-exporter.fullname" . }}
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
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heritage: {{ .Release.Service }}
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release: {{ .Release.Name }}
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annotations:
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seccomp.security.alpha.kubernetes.io/allowedProfileNames: 'docker/default'
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apparmor.security.beta.kubernetes.io/allowedProfileNames: 'runtime/default'
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seccomp.security.alpha.kubernetes.io/defaultProfileName: 'docker/default'
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apparmor.security.beta.kubernetes.io/defaultProfileName: 'runtime/default'
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spec:
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privileged: false
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allowPrivilegeEscalation: false
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requiredDropCapabilities:
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- ALL
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volumes:
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- 'configMap'
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- 'emptyDir'
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- 'projected'
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- 'secret'
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- 'downwardAPI'
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hostNetwork: false
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hostIPC: false
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hostPID: false
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runAsUser:
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rule: 'RunAsAny'
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seLinux:
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rule: 'RunAsAny'
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supplementalGroups:
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rule: 'RunAsAny'
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fsGroup:
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rule: 'RunAsAny'
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readOnlyRootFilesystem: false
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{{- end }}
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@@ -0,0 +1,18 @@
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{{- if .Values.rbac.create }}
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: Role
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metadata:
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name: {{ template "prometheus-couchdb-exporter.fullname" . }}
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
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heritage: {{ .Release.Service }}
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release: {{ .Release.Name }}
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{{- if .Values.rbac.pspEnabled }}
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rules:
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- apiGroups: ['extensions']
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resources: ['podsecuritypolicies']
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verbs: ['use']
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resourceNames: [{{ template "prometheus-couchdb-exporter.fullname" . }}]
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{{- end }}
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{{- end }}
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@@ -0,0 +1,18 @@
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{{- if .Values.rbac.create -}}
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: RoleBinding
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metadata:
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name: {{ template "prometheus-couchdb-exporter.fullname" . }}
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
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heritage: {{ .Release.Service }}
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release: {{ .Release.Name }}
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: Role
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name: {{ template "prometheus-couchdb-exporter.fullname" . }}
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subjects:
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- kind: ServiceAccount
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name: {{ template "prometheus-couchdb-exporter.serviceAccountName" . }}
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{{- end -}}
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@@ -0,0 +1,19 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ template "prometheus-couchdb-exporter.fullname" . }}
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
|
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
|
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release: {{ .Release.Name }}
|
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heritage: {{ .Release.Service }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: http
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protocol: TCP
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name: http
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selector:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
|
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release: {{ .Release.Name }}
|
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@@ -0,0 +1,11 @@
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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ template "prometheus-couchdb-exporter.serviceAccountName" . }}
|
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labels:
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app: {{ template "prometheus-couchdb-exporter.name" . }}
|
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chart: {{ template "prometheus-couchdb-exporter.chart" . }}
|
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release: "{{ .Release.Name }}"
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heritage: "{{ .Release.Service }}"
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{{- end -}}
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@@ -0,0 +1,69 @@
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# Default values for prometheus-couchdb-exporter.
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# This is a YAML-formatted file.
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# Declare variables to be passed into your templates.
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rbac:
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# Specifies whether RBAC resources should be created
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create: true
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||||
# Specifies whether a PodSecurityPolicy should be created
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pspEnabled: true
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serviceAccount:
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# Specifies whether a ServiceAccount should be created
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create: true
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||||
# The name of the ServiceAccount to use.
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# If not set and create is true, a name is generated using the fullname template
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name:
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replicaCount: 1
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|
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image:
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repository: gesellix/couchdb-prometheus-exporter
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tag: 16
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pullPolicy: IfNotPresent
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|
||||
service:
|
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type: ClusterIP
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port: 9984
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|
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ingress:
|
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enabled: false
|
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annotations: {}
|
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# kubernetes.io/ingress.class: nginx
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# kubernetes.io/tls-acme: "true"
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path: /
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hosts:
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# - chart-example.local
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tls: []
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# - secretName: chart-example-tls
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# hosts:
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# - chart-example.local
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||||
resources: {}
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||||
# We usually recommend not to specify default resources and to leave this as a conscious
|
||||
# choice for the user. This also increases chances charts run on environments with little
|
||||
# resources, such as Minikube. If you do want to specify resources, uncomment the following
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||||
# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
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||||
# limits:
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||||
# cpu: 100m
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||||
# memory: 128Mi
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||||
# requests:
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||||
# cpu: 100m
|
||||
# memory: 128Mi
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||||
|
||||
nodeSelector: {}
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||||
|
||||
tolerations: []
|
||||
|
||||
affinity: {}
|
||||
|
||||
## CouchDB exporter configuratons
|
||||
couchdb:
|
||||
## URI ofthe couchdb instance
|
||||
uri: http://couchdb.default.svc:5984
|
||||
## Specify the list of databases to get the disk usage stats as comma seperates like "db-1,db-2"
|
||||
## or to get stats for every database, please use "_all_dbs"
|
||||
databases: _all_dbs
|
||||
## CouchDB username
|
||||
# username:
|
||||
## CouchDB Password
|
||||
# password:
|
||||
Reference in New Issue
Block a user